<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=<device-width>, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <form ation="" method="get">
        用户名:<input type="text" name="uname" id=""/>
        密码:<input type="password" name="pwd" />
        <input type="submit" value="登 录"/>
    </form> 
</body>
</html>